First day of the month snowflake

- First day of the month snowflake sql
- Get first day of the month snowflake
- First day of previous month snowflake
- First day of current month snowflake
- First day of last month snowflake
- Get first day of current month snowflake
- Get first day of previous month snowflake
- First day of month function in snowflake
- Snowflake free trial